5083 H116 aluminum sheet is a marine-grade aluminum plate widely used for boats, ships, tanks, vehicle bodies, and structures requiring excellent corrosion resistance. Thanks to its high magnesium content, this alloy provides superior strength, weldability, and saltwater resistance. This is one of the most trusted materials in the marine industry.
At our factory, we supply AA5083 H116 plates in various thicknesses and sizes. With more than 20 years of aluminum manufacturing experience, we ensure accurate dimensions, fast delivery, stable quality, and competitive prices.
Characteristics and Key Benefits
- Excellent corrosion resistance in seawater
- High strength and toughness
- Good welding performance
- Stable mechanical properties
- Suitable for bending and forming
- Long service life in harsh environments
Chemical Composition (Table)
| Element | Content (%) |
|---|---|
| Mg | 4.0 – 4.9 |
| Mn | 0.4 – 1.0 |
| Cr | 0.05 – 0.25 |
| Fe | ≤ 0.4 |
| Si | ≤ 0.4 |
| Al | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 305 MPa |
| Yield Strength | ≥ 215 MPa |
| Elongation | ≥ 10% |
| Hardness | H116 Temper |
Available Types and Specifications
Thickness Options
| Thickness | Typical Use |
|---|---|
| 3–6 mm | Boat panels, flooring |
| 6–10 mm | Hull reinforcement |
| 10–20 mm | Ship structures, tank walls |
Surface Options
- Mill finish
- Anti-slip embossed finish
- Brushed surface
- Anodized surface
Standard Dimensions
- Width: 1000 / 1220 / 1500 mm
- Length: 2000 / 3000 / Customized
- Coil or flat sheet both available
5083 H116 Aluminum – Common Types
5083 H116 is a high-strength, corrosion-resistant marine-grade aluminum alloy. It is mainly used for shipbuilding, offshore structures, tanks, transportation, and military equipment.
Below are the common types / categories based on thickness, surface, and form:
1. By Thickness (Common Commercial Types)
- 5083 H116 Aluminum Sheet 2mm
- 5083 H116 Aluminum Sheet 3mm
- 5083 H116 Aluminum Plate 4mm
- 5083 H116 Marine Plate 5mm
- 5083 H116 Plate 6mm
- 5083 H116 Plate 8mm
- 5083 H116 Plate 10mm
- 5083 H116 Thick Plate 12mm–50mm
2. By Surface Finish
- Mill Finish 5083 H116 Plate
- Brushed Surface 5083 H116 Sheet
- Anodized 5083 H116 Plate
- Shot Blasted 5083 H116 Marine Plate
3. By Width & Length Types
- Standard Sheet: 1000mm / 1220mm / 1500mm
- Wide Plate: 1800mm / 2000mm / 2200mm
- Cut-to-Size Plates: Customized according to drawings
4. By Application Type
- 5083 H116 Marine Grade Plate（船板）
- 5083 H116 Shipbuilding Plate
- 5083 H116 Offshore Engineering Plate
- 5083 H116 Tank & Pressure Vessel Plate
- 5083 H116 Vehicle & Trailer Plate
5. By Processing Type
- Hot-rolled 5083 H116 plate
- Cold-worked 5083 H116 sheet
- CNC cut 5083 H116 parts
- Weld-ready 5083 H116 plate
Applications of 5083 H116 Aluminum Sheet
5083 H116 is especially popular for marine and structural applications due to its strength and corrosion resistance.
Common Uses:
- Boat and ship hulls
- Marine decks and flooring
- Fuel tanks and water tanks
- Pressure vessels
- Vehicle and trailer side panels
- LNG storage equipment
- Industrial platforms
- Pipeline systems exposed to seawater
5083 H116 Thickness–Weight Table (kg/m²)
Formula:
Weight (kg/m²) = Thickness (mm) × Density (2.66)
| Thickness (mm) | Weight (kg/m²) |
|---|---|
| 2 mm | 5.32 kg |
| 3 mm | 7.98 kg |
| 4 mm | 10.64 kg |
| 5 mm | 13.30 kg |
| 6 mm | 15.96 kg |
| 8 mm | 21.28 kg |
| 10 mm | 26.60 kg |
| 12 mm | 31.92 kg |
| 14 mm | 37.24 kg |
| 16 mm | 42.56 kg |
| 20 mm | 53.20 kg |
| 25 mm | 66.50 kg |
| 30 mm | 79.80 kg |
| 40 mm | 106.40 kg |
| 50 mm | 133.00 kg |
2. 5083 H116 vs 5083 H321 Comparison
| Feature / Property | 5083 H116 | 5083 H321 |
|---|---|---|
| Primary Use | Marine structures, shipbuilding | Pressure vessels, tanks, pipelines |
| Corrosion Resistance | ⭐⭐⭐⭐⭐ (excellent in seawater) | ⭐⭐⭐⭐ (very good) |
| Strength | High | High (very similar) |
| Exfoliation Resistance | Excellent | Good |
| Treatment Type | Special anti-corrosion treatment for marine use | Stabilized temper (for thermal stability) |
| Surface Characteristics | Optimized for seawater environment | Optimized for heat and stress stability |
| Typical Applications | Ship hulls, decks, offshore platforms | Tanks, heat exchangers, chemical containers |
Summary
- 5083 H116 = Best choice for marine environments
- 5083 H321 = Better for heat-resistant and pressure equipment
3. Applications of 5083 H116 (Bullet Points)
Marine Industry
- Ship hull plates
- Side plates
- Deck panels
- Bulkheads
- Boat interiors and structures
- Offshore platforms, pontoons, docks
Transportation
- Truck bodies
- Semi-trailer panels
- Fuel and water tankers
- Railway components
Industrial Applications
- Pressure vessels
- Storage tanks
- Chemical equipment
- Cryogenic equipment
- Welded structures
Energy Sector
- LNG storage systems
- Offshore wind energy structures
Defense & Special Equipment
- Armor reinforcement plates
- Corrosion-resistant structural parts
Why Choose Our Factory?
Reliable Quality
We use high-purity raw materials and strict production control, ensuring consistent hardness, flatness, and mechanical properties.
Competitive Price
Direct factory supply means better pricing than trading companies.
Fast Production and Delivery
- Full production lines for hot-rolling, cold-rolling, and cutting
- Short lead time for bulk orders
- Stable monthly output for continuous supply
Customized Service
- Custom thickness, width, length
- Surface treatment options
- Export packaging and container loading support
Long-Term Customer Trust
We have cooperated with global marine companies, tank manufacturers, and industrial equipment suppliers for many years.
Packaging Information
To ensure safe transportation, our 5083 H116 plates are packed with:
- Waterproof kraft paper
- Anti-corrosion plastic film
- Steel or wooden pallets
- Strapping for strong fixation
Suitable for sea shipment, container loading, and long-distance freight.
FAQs About 5083 H116 Aluminum Sheet
What is the difference between 5083 H116 and H321?
Both are marine tempers.
- H116: Better for higher corrosion resistance and stress corrosion cracking.
- H321: Stabilized temper for slightly improved mechanical performance.
Is 5083 H116 good for welding?
Yes. It offers excellent weldability and maintains strength after welding.
Can it be used for saltwater environments?
Absolutely. This alloy is designed especially for marine and seawater exposure.
Do you offer custom cutting?
Yes. We provide CNC cutting, bending, and custom sizes.
5083 H116
5083 H116 aluminum sheet is a high-performance marine-grade material ideal for boats, shipbuilding, tanks, and industrial structures. With our factory’s strong production capabilities, professional QC, and fast delivery, we supply high-quality aluminum plates to customers worldwide.
If you need reliable 5083 H116 aluminum sheet, feel free to contact us for a quote.
